Dr. Robert Klenck is an Orthopedic Surgeon in Los Angeles, California.

His extensive research is on the Church Growth Movement, especially the methods and practices of men such as Rick Warren and the Purpose-Driven Life from Saddleback Church and Bill Hybels from Willow Creek Church.

He can be heard weekly live on the internet with Pastor John Coleman. At TruthRadio.com from 6:oo pm to 8:00 pm Saturdays Pacific Standard time.